checkmate (version 1.0)

checkNamed: Check if an argument is named

Description

Check if an argument is named

Usage

checkNamed(x, type = "named")
assertNamed(x, type = "named", .var.name)
testNamed(x, type = "named")

Arguments

x

[ANY] Object to check.

.var.name

[character(1)] Name for x. Defaults to a heuristic to determine the name using deparse and substitute.

type

[character(1)] Select the check(s) to perform. unnamed checks x to be unnamed. named (default) checks x to be named, this includes names to be not NA or emtpy ("").

Value

• Depending on the function prefix: If the check is successful, all functions return TRUE. If the check is not successful, assertNamed throws an error message, testNamed returns FALSE and checkNamed returns a string with the error message.

Examples

x = 1:3
 testNamed(x, "unnamed")
 names(x) = letters[1:3]
 testNamed(x, "unique")